Alldaymall F-869 Super Bright 3800 Lumens 3 X Cree Xm-L T6 LED 5 Modes Flashlight Torch with Extension Tube Adopts 3 super bright CREE XM-L T6 LED bulbs, output brightness can reach 3800 lumens The body of flashlight is built of aircraft-grade aluminum alloy, has a very solid construction Extensible flashlight tube Powered by: 3 x 18650 or 2 x 18650 if extension tube removed (batteries not included) Suitable for military, law enforcement, self-defense, rescue and hunting